TMD4903 Datasheet, PDF (11/86 Pages) ams AG – Color and Proximity Sensor Module with mobeam

TMD4903 − Timing Characteristics
Timing Characteristics
Figure 14:
AC Electrical Characteristics, VDD = 1.8 V, TA = 25ºC (unless otherwise noted)
Parameter
f_SCL ⁽¹⁾
t_BUF ⁽¹⁾
t_HS;STA ⁽¹⁾
t_SU;STA ⁽¹⁾
t_SU;STO ⁽¹⁾
t_HD;DAT ⁽¹⁾
t_SU;DAT ⁽¹⁾
t_LOW ⁽¹⁾
t_HIGH ⁽¹⁾
t_F ⁽¹⁾
t_R ⁽¹⁾
C_i ⁽¹⁾
Description
Clock frequency (I²C only)
Bus free time between start and stop condition
Hold time after (repeated) start condition.
After this period, the first clock is generated.
Repeated start condition setup time
Stop condition setup time
Data hold time
Data setup time
SCL clock low period
SCL clock high period
Clock/data fall time
Clock/data rise time
Input pin capacitance
Min Typ Max Unit
0
400 kHz
1.3
μs
0.6
μs
0.6
μs
0.6
μs
0
ns
100
ns
1.3
μs
0.6
μs
300
ns
300
ns
10
pF
Note(s) and/or Footnote(s):
1. Specified by design and characterization; not production tested.
Timing Diagram
Figure 15:
Timing Parameter Measurement Drawing
SCL
tLOW
VIH
VIL
tHD; STA
SDA
tBUF
VIH
VIL
tHD; DAT
STOP START
tHIGH
tF
tSU; DAT
tSU; STA
START
tR
tSU; STO
STOP
ams Datasheet
[v1-12] 2015-May-14
Page 11
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